According to the passage, which of the following human features evolved first A.The development of human brains.B.Upright posture of two-leg walking.C.The change of the skeletons.D.The use of language.
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However, recent experiment evidence reveals that although the Arrhenius equation is generally accurate in describing the kind of chemical reaction that occurs at relatively high temperature, at temperatures closer to zero a quantum-mechanical effect known as tunneling comes into play; this effect ...
Chinaone are the apples of parents' eyes. They are spoiled since childhood, and parents will award what they want. Just because most of them come from rich families, they are treasured by schools at home, which only care about academic achievements and income. But these Chinaone are refused...
The one most widely accepted today is based on the assumption that drama evolved from ritual. The argument for this view goes as follows. In the beginning,, human beings viewed the natural forces of the world -- even the seasonal changes -- as unpredictable, and they sought through various...
Chavez, like Pena, was the American-born son of Mexican farmers who immigrated to the U.S. “He understands this duality, the feeling of being born in a place but having a very big idea of where your heritage comes from,” says the film director, Diego Luna. “This thing of having ...
who were invoIved with Cesar Chavezare hoping the movie will spark new support for reform and in spire America n Lat in os to get invo Ived.“The message Chavez left was that change couldn'htappen without the masses being a part of their own cha nge, "says Ferrera, a first gen erati...
Over the course of 700 years, the outlaw from Nottinghamshire who robs the rich to give to the poor has emerged as one of the most enduring folk heroes in popular culture— and one of the most versatile. But how has the legend of Sherwood Forest’s merry outlaws evolved over time? Did...
根据第一段中 “The first time I realized that I had a love for sports competitions was during the Field Day in elementary school.(我第一次意识到我对体育比赛的热爱是在小学的 Field Day 期间)”和最后一 段“So, though it shocks some of our friends, that early foundation evolved in ...
Many botanists conclude that the best explanation for the large numbers of primitive living angiosperms in the South Pacific region is that this is where the flowering plants first evolved and these modern species are relics of this early evolution. Comparisons of the DNA of Amborella and many ...